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Finding the Fourth Proportional to 177,657.70, 266,486.55 and 118,300.90

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Solution

The fourth proportional to 177,657.70, 266,486.55 and 118,300.90 is: 177,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,657.70 : 266,486.55 = 118,300.90 : x
  2. Step 2: Convert to fraction form
    177,657.70/266,486.55 = 118,300.90/x
  3. Step 3: Cross multiply
    177,657.70x = 266,486.55 × 118,300.90
  4. Step 4: Simplify right side
    177,657.70x = 31,525,598,702.90
  5. Step 5: Solve for x
    x = 31,525,598,702.90/177,657.70
  6. Step 6: Final answer
    x = 177,451.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.